1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /* Definitions of target machine for GNU compiler, for Alpha Linux-based GNU systems. Copyright (C) 1996-2017 Free Software Foundation, Inc. Contributed by Richard Henderson. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #define TARGET_OS_CPP_BUILTINS() \ do { \ builtin_define ("__gnu_linux__"); \ builtin_define ("_LONGLONG"); \ builtin_define_std ("linux"); \ builtin_define_std ("unix"); \ builtin_assert ("system=linux"); \ builtin_assert ("system=unix"); \ builtin_assert ("system=posix"); \ /* The GNU C++ standard library requires this. */ \ if (c_dialect_cxx ()) \ builtin_define ("_GNU_SOURCE"); \ } while (0) #undef LIB_SPEC #define LIB_SPEC \ "%{pthread:-lpthread} \ %{shared:-lc} \ %{!shared: %{profile:-lc_p}%{!profile:-lc}}" #undef CPP_SPEC #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" /* Show that we need a GP when profiling. */ #undef TARGET_PROFILING_NEEDS_GP #define TARGET_PROFILING_NEEDS_GP 1 /* Don't care about faults in the prologue. */ #undef TARGET_CAN_FAULT_IN_PROLOGUE #define TARGET_CAN_FAULT_IN_PROLOGUE 1 /* OS fixes up EV5 data fault on prefetch. */ #undef TARGET_FIXUP_EV5_PREFETCH #define TARGET_FIXUP_EV5_PREFETCH 1 #undef WCHAR_TYPE #define WCHAR_TYPE "int" #ifdef SINGLE_LIBC #define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC) #define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC) #define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC) #undef OPTION_MUSL #define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL) #else #define OPTION_GLIBC (linux_libc == LIBC_GLIBC) #define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC) #define OPTION_BIONIC (linux_libc == LIBC_BIONIC) #undef OPTION_MUSL #define OPTION_MUSL (linux_libc == LIBC_MUSL) #endif /* Determine what functions are present at the runtime; this includes full c99 runtime and sincos. */ #undef TARGET_LIBC_HAS_FUNCTION #define TARGET_LIBC_HAS_FUNCTION linux_libc_has_function #define TARGET_POSIX_IO #define LINK_GCC_C_SEQUENCE_SPEC \ "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" /* Use --as-needed -lgcc_s for eh support. */ #ifdef HAVE_LD_AS_NEEDED #define USE_LD_AS_NEEDED 1 #endif /* Define if long doubles should be mangled as 'g'. */ #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING /* -mcpu=native handling only makes sense with compiler running on an Alpha chip. */ #if defined(__alpha__) || defined(__alpha) extern const char *host_detect_local_cpu (int argc, const char **argv); # define EXTRA_SPEC_FUNCTIONS \ { "local_cpu_detect", host_detect_local_cpu }, # define MCPU_MTUNE_NATIVE_SPECS \ " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" #else # define MCPU_MTUNE_NATIVE_SPECS "" #endif #define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS |